/usr/include/sphinxtrain/vector.h is in sphinxtrain-dev 1.0.8-0ubuntu3.
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* Copyright (c) 1995-2000 Carnegie Mellon University. All rights
* reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
*
* This work was supported in part by funding from the Defense Advanced
* Research Projects Agency and the National Science Foundation of the
* United States of America, and the CMU Sphinx Speech Consortium.
*
* THIS SOFTWARE IS PROVIDED BY CARNEGIE MELLON UNIVERSITY ``AS IS'' AND
* ANY EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL CARNEGIE MELLON UNIVERSITY
* NOR ITS EMPLOYEES BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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* ====================================================================
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*/
#ifndef VECTOR_H
#define VECTOR_H
#ifdef __cplusplus
extern "C" {
#endif
#if 0
}
#endif
#include <sphinxbase/prim_type.h>
typedef float *vector_t;
vector_t
vector_alloc(int32 n_dim);
int
vector_free(vector_t v);
void
vector_floor(vector_t v, uint32 dim, float32 f);
void
vector_nz_floor(vector_t v, uint32 dim, float32 f);
int32
vector_normalize(vector_t v, uint32 dim);
float64 vector_sum_norm (float32 *vec, int32 len);
void
vector_add(vector_t a, const vector_t b, uint32 dim);
void
vector_sub(vector_t a, const vector_t b, uint32 dim);
void
vector_scale(vector_t a, float32 b, uint32 dim);
void
vector_cross(vector_t a, const vector_t b, uint32 dim);
float64
vector_dot(const vector_t a, const vector_t b, uint32 dim);
/* See matrix.h for outer product. */
void
vector_print(vector_t v, uint32 dim);
#ifdef __cplusplus
}
#endif
#endif /* VECTOR_H */
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